You can search for identifiers within the package.
in-package search v0.2.0
Common namespace URIs.
val html : string
http://www.w3.org/1999/xhtml. Use for HTML and XHTML.
http://www.w3.org/1999/xhtml
val svg : string
http://www.w3.org/2000/svg.
http://www.w3.org/2000/svg
val mathml : string
http://www.w3.org/1998/Math/MathML.
http://www.w3.org/1998/Math/MathML
val xml : string
http://www.w3.org/XML/1998/namespace.
http://www.w3.org/XML/1998/namespace
val xmlns : string
http://www.w3.org/2000/xmlns/.
http://www.w3.org/2000/xmlns/
val xlink : string
http://www.w3.org/1999/xlink.
http://www.w3.org/1999/xlink